Hand washing soap
Dec 20, 2014 • 12:43 AM UTC
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Manu Prakash
I am a faculty at Stanford and run the Prakash Lab at Department of Bioengineering at Stanford University. Foldscope community is at the heart of our Frugal Science movement - and I can not tell you how proud I am of this community and grassroots movement. Find our work here: http://prakashlab.stanford.edu
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Everyday, we wash our hands. Not once, not twice but many times of the day. And we often use soap.
I wanted to see what does that soap look like up close. I took some of the frothy soap and put it on a glass slide. Here is a sneak peak.
I wanted to see what does that soap look like up close. I took some of the frothy soap and put it on a glass slide. Here is a sneak peak.
What you see are soap bubbles; arranged in numerous geometries. What looks static at first, starts morphing and changing very soon as the soap bubbles try to minimize the net surface energy by changing morphologies.
See if you can decipher the rules for what geometries are stable – and which ones are unstable?
See if you can decipher the rules for what geometries are stable – and which ones are unstable?
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